20以内加减法练习(17页

1、10 + 8 =10+2 =13 + 2 =8+2+3=8 + 10 =17-7 =19-3 =9+1+4=18-8 =10 + 8 =7+3+5=18-10 =3 + 10 =16-4 =7+4+6=10 + 1 =10 + 2 =19 4 =7+8+3=10+10 =19-5 =6十4+7=11 1 =14-4 =15-3 =8+2+5=11-10 =18-8 =(5+4+6=6 + 10 =6 + 10 =13-3 =7+2+3=16 6 =10+9 =14 1 =3 + 4 + 10 =8 + 10 =10 + 2 =11-1-5 =10 + 3 =13-3 =13-3 =17-7-3

2、 =3 + 10 =5 + 10 =119-9 + 1 =13-3 =16-10 =18-8 =15-5-7 =13-10 =11-10 =5 + 5 =13-3-4 =-13-10 =4 + 6 =18-10-4 =5 + 10 =18-10 =20-20 =17-10-7 =10 + 8 =10-10 =»14-10 + 5 =3 + 10 =10+9 =8-8 =16-10 + 3 =11 1 =10-5 =10 + 0 =20-10-7 =16-9=17-9=7+8=9+11=6+9=18-6=19-11=5+9=6+8=>7+9=17-6=8+4=4+7=4+9=6+

3、7=13-9=13-4=15-7=9 + 1 =8 + 7 =8+4 =9 + 7 =9+7-6=8 + 2 =7 + 9 =8 + 5 =6 + 6 =6 + 5+9 =8 + 3 =7 + 5 =9 + 6 =4 + 9 =3 + 8+9 =2 + 9 =8 + 6 =6 + 8 =6 + 5 =Y7 + 7+6 =19-9 =8 + 8 =7 + 9 =5 + 8 =8 + 7+4 =9 + 3 =7 + 4 =8 + 10 =5 + 7 =4 + 8+6 =8+4 =8 + 5 =7+4 =8 + 7 =8+6-9=5 + 9 =7 + 7 =5 + 7 =4 + 8 =7+6-8=8

4、 + 6 =6 + 5 =9 + 2 =8 + 6 =3 + 9+8 =4 + 9 =1 + 9=7 + 8 =7 + 10=5 + 9-7=5 + 9 =7 + 3 =9 + 8 =2 + 8 =3 + 8+9 =6 + 9 =6 + 7 =9 + 2 =10-9 =6 + 5+7 =7 + 9 =5 + 6 =8 + 3 =2 + 10 =7 + 2+9 =8 + 9=8-5 =6 + 7 =9 + 8 =>6+9-7=9 + 0 =10-7 =8+4 =6 + 3 =6 + 8+5 =5 + 8 =6 + 7 =1 + 9 =10 + 4 =5 + 11-9 =8 + 9 =2 +

5、 9 =10-5 =6 + 8 =13-4+8 =9 + 9 =9 + 4 =9 + 5 =9 + 3 =3 + 8+6 =9 + 3 =5 + 9 =8 + 2 =7 + 4 =6+7-9=3 + 8 =9 + 5 =9 + 3 =8 + 3 =15-4+6 =8 + 9 =9 + 8 =7 + 6 =7 + 5 =6+2+7=10 + 8 =8 + 5 =9 + 6 =6 + 9 =4+5+2=5 + 5 =9 + 5 =7 + 8 =9 + 5 =3+5+7=4 + 6 =5 + 9 =6 + 7 =7 + 7 =4+4+6=9+4=8+4=9 + 7 二9 + 4=4+3+2=7+4

6、=6 + 5 =8 + 6 =¥4+6+5=7 + 8 =8+4 =6 + 6 =6 + 8 =9 + 6 =7+2+4=10-2 =7+7 =8+5 =8 + 3 =2+6+5=2 + 9 =9 + 7 =5 + 8 =7 + 4 =7+1+7=7 + 5 =8 + 8 =8+4=6+3+4=9 + 9=18-2 =9 + 2 =4 + 8 =8 + 4 =6+1+5=10 + 5 =5 + 7 =9 4 =¥5+2+4=7 + 6 =9 + 6=9 + 5 =7 + 6 =9 + 4 =3+5+9=8+4 =7 + 9 =6 + 7 =!6 + 8 =6+4+1=9+4

7、 =8 + 10 =7 + 5 =7 + 9 =3+6+5=8-7 =6 + 10 =5 + 7 =¥7+2+6=9 + 8 =9 + 2 =8 + 6 =4 + 7 =9 + 3 =4+4+9=7 + 5 =19-7 =7+4 =8 + 4 =9+1+9=7 + 9 =7 + 3 =9 + 3 =8 + 3 =8+2+2=8 + 5 =2 + 8 =6 + 6 =7+3+1=6 + 6 =9+2=3+8=11-5=16 8=12-4=6+5=13-5=4+7=9+9=18-9=15-4=17-7=5+7=7+7=11-2=11-3=12-6=4+8=6+8=14-8=9+6=12+

8、3=11-4=5+8=2+9=<15-8=6+10=15-3=6+7=9+8=3+9=15-6=14-9=8+7=5+6=19-9=13-7=14-9=9+5=12-8=15-7=8+9=15-9=(7+8=8+3=7+5=17-8=9+4=13-9=7+6=12-9=9+6=<16 8=7+4=8+6=10+5=9+9=14-7=18-8=14-9=18-9=3+9=11-7=14-2=6+7=11-3=5+6=15-8=6+6=11-2=-4+8=16 8=15-8-6=16-9+7=17-9-5=7+8-9=9+11-8=6+9-7=18-6+5=5+9-8=6+8+4=9-

9、5+11=7+9-4=17-6-5=8+4+7=4+7-9=4+9-8=6+7+5=>13-4+7=15-7+8=15-7=13-7=12-8=7+4=16-7=15-8=A11-7=8+5=10+3=9+3=14-7=7+8=13-8=9+5=16-9=e5+8=17-8=9+6=8+6=14-8=17-7=12-3=15-8=13-4=12+3=16 8=6+6=15-9=7+5=6+5=12-4=6+7=16 8=12-6=14-5=18-9=9+3=12-5=4+9=6+7=3+8=17-7=7+6=10+6=16-7=9+6=8+5=8+7=4+13=11-1=13-4=

10、65;12-7=17-9=6+6=5+6=9+8=15-9=7+7=6+8=13+6=(16-2=8+8=7+9=10+2=11-6=6+5=4+7=13-8=11-9=3+9=12-8=15-7=7+2+7=7-2+9=3+4+6=3-0+7=8 + 1 + 2 =6+2+7=55+5=1 + 8 + 5 =8+2+7=4+5+8=7-3+4=6 + 3 + 9 =6-3+9=7+5-7=6+26=5+1+7=10-4-0 =8-7+6=18-5 =17-11 =13 + 6 =17-5 =$5-4 =9 4 =16-1 =7-f-10 =9-0 =18 + 1 =6 + 10 =4 0 =

11、18-12 =)10 + 2 =10-10 =9-0 =15-0 =4 + 1 =0 + 16 =2 + 2 =13-12 =4 + 12 =«6 5 =15-13 =14 + 1 =3 + 12 =o+o=0 + 17 =7-2 =2 + 14 =11-10 =i10 + 4 =14-3 =11 1 =3-1 =13-2 =12-0 =11 + 0 =13-10 =15 + 4 =(10 + 7 =0 + 1 =19-14 =11 + 1 =17-1 =16 + 2 =16 4 =3+4 =1 + 14 =4 + 12 =12 + 5 =14 + 1 =10 + 8 =17-15

12、=15-3 =9-8 =11 + 5 =16 + 1 =>17-12 =1 + 17 =11 + 5 =2 + 6 =19-5 =7-3 =12 + 4 =10 + 7 =1 + 12 =?17-10 =9-9 =4 + 12 =11 + 2 =13 + 2 =7+2+7=7-2+9=3+4+6=3-0+7=6+2+7=9-6+4=5-5+5=1 + 8 + 5 =8+2+7=4+5+8=7-3+4=6 + 3 + 9 =6-3+9=6+26=10-1 + 2 =5+1+7=10-4-0 =8-7+6=2-2 =7-3 =6 0 =!13-3 =8 6 =0 + 18 =10 + 3 =

13、18-11 =17 + 0 =2-2 =1 + 7 =6 3 =I5 + 14 =11 + 0 =7-1 =0 + 10 =6-1 =2 + 6 =11-10 =11 + 3 =5 + 10 =0+11 =5 + 10 =5-5 =19-11 =17-13 =2 + 2 =3 + 11 =10 + 3 =17-3 =一9-5 =19-8 =8 + 0 =17-1 =13-10 =17 + 0 =5-3 =9-8 =7-3 =Y14-2 =5-3 =0+4 =9-8 =17-14 =16-14 =3 + 12 =3-0 =19-15 =:11 + 2 =14-12 =1 + 3 =5 + 11

14、=10 + 5 =11 1 =5-2 =7 6 =12 + 6 =14 + 5 =1 + 3 =2 + 10 =8 + 10 =10 + 8 =2-1 =9 1 =9-5 =1 + 8 =A9-3 =8-2 =17-11 =11-10 =7 6 =19-3 =7-3+6=2+3+9=9-4+6=*7-2+7=7+2+6=4+3+5=5+2+3=4+2-3=9+1+5=6+2-3=6+2+2=6+3+4=3+9+6=3+3+1=4+2+5=10 + 8-4 =10-5 + 4 =2+3+5=19-5 =10 + 1 =19-5 =12-11 =3 + 3 =18-4 =19-10 =16-16

15、=1 + 8 =1 + 13 =144 =18-7 =0 + 19 =12 + 1 =15-11 =12 + 3 =18-13 =6_0 =1 + 7 =18-16 =9 1 =6 3 =13-1 =19-15 =8-0 =6 6 =0 + 19 =9-2 =3-3 =:2 + 11 =7-3 =13-2 =8-0 =1 + 5 =15 + 3 =18-15 =2 + 4 =19-17 =%2-1 =17-10 =1 + 15 =7-6 =3 + 6 =2 + 14 =5 + 13 =15 + 1 =19-7 =2 + 3 =14+0 =13 + 0 =0+1 =18-12 =18-8 =0

16、+ 1 =12-11 =4 + 11 =-3 + 13 =14 + 5 =19 1 =14 + 1 =3 + 12 =12 + 4 =17-11 =5 + 3 =17-11 =Y17-16 =18 1 =2 + 3 =6+12 =12-10 =5 + 10 =3 + 6 =8+2+5=4+5+8=>4+8+7=5+4+9=1+0+7=8-2+7=10 + 2 + 7 =5+2+2=9-6-1=9-4-7=12 + 6-5 =)5+4+6=6+2+9=7-7+5=5+2+7=5+1+7=8-2+3=8+2+7=1 + 7=i18-3 =16-14 =1 + 18 =13-0 =15-0 =

17、19-19 =17 + 0 =16-4 =2-2 =<19-4 =11 + 2 =3 + 15 =3-0 =0 + 9 =4 + 10 =0 + 11 =4 0 =4-3 =$9-0 =19-18 =17 + 2 =16 + 1 =12-10 =9 1 =1 + 7 =10 + 8 =5 + 2 =18-8 =3-0 =o-o=19 1 =11-10 =12-10 =7-3 =12-11 =15-12 =>6 + 10 =1 + 13 =4 + 3 =3 + 14 =2 + 13 =18-2 =8-4 =6 2 =9 1 =>10 + 2 =7-4 =15-11 =8 + 1

18、0 =13-3 =1 + 12 =4 + 15 =2 + 4 =15-1 =10 + 3 =1 + 14 =16 + 2 =10 + 7 =2 + 5 =2 + 6 =1 + 2 =14 + 3 =11 + 8 =e17-16 =1 + 2 =5 + 14 =12+4 =18-17 =12 + 3 =17-15 =6 1 =8 + 2 + 4 =3+6+9=4+5+8=7 + 3 + 2 =4+4-2=2+6+5=2+3+4=8 + 2 + 6 =6+2+7=7+2-5=17+3+4=6+3+7=9-2+7=3+3+2=9+1+8=5+4+7=8-2+8=2+2+4=1 + 18 =7-1 =

19、4 + 2 =16-15 =1 1 =7 + 1 =5-2 =¥10 + 10 =6-1 =1 + 0 =2 + 10 =0+4 =18-15 =5 + 14 =3 + 0 =6 0 =8-0 =12 + 7 =13 + 4 =o+o=<18-6 =18-4 =1 + 16 =9-0 =8-0 =9-2 =i18-6 =19-14 =0 + 17 =10 + 6 =5 + 4 =19-19 =1 + 14 =i16-3 =18-4 =7 + 11 =12 + 5 =10 + 3 =5-1 =9-5 =4 + 1 =14-10 =16 6 =13-10 =6-1 =15-5 =1

20、8-2 =19-13 =11 + 5 =19 1 =16-14 =15-4 =e2 + 12 =11 + 3 =17-14 =17 + 2 =4 + 14 =1 + 14 =16-11 =¥2 + 6 =7 + 2 =14-10 =19-5 =6 5 =15-5 =1 + 16-7 =17- 16+8 =19-17+6 =1 + 11-9 =12-1+7 =1 + 15-9 =15- 11-4 =13 + 5-10 =1 + 13-6 =2 + 10+5 =12- 2-9 =18- 6-2 =17-5-8 =16- 13-3 =5 + 1+11 =9-9+8 =3 + 14-7 =1

21、5 + 4-9 =5 + 3+11 =19-8-9 =19-5 =13- 3 =19-8 =9-6 =4 + 12 =10 + 6 =0 + 16 =16-2 =19 1 =2 + 15 =2 + 12 =16-2 =18-16 =2 + 17 =10-10 =19-7 =14-13 =15-15 =12-1 =0 + 11 =7 + 11 =14-12 =15-2 =11 + 0 =e1 + 2 =1 + 15 =0 + 11 =0 + 9 =17-10 =1 + 8 =15 + 0 =5 + 0 =14 + 0 =3 + 2 =i6-1 =5 + 0 =16-1 =13-12 =1 + 3

22、 =9 + 0 =8-7 =18-4 =13-11 =9-7 =118-4 =2 + 5 =10 + 5 =3 + 11 =15-14 =17-12 =12-12 =6 + 10 =17-17 =4 1 =5-2 =2 + 5 =10 + 8 =15-3 =1 + 14 =6 + 12 =2-1 =18-6 =1 + 10 =15-5 =9-2 =6 + 13 =1 + 14 =8 + 1 =14 + 5 =18 1 =3 + 10 =14 + 4 =8-7 =12-11 =$10 + 9 =3 + 4 =1 + 13 =12 + 2 =10 + 3 =12 + 4 =3 + 12 =16 +

23、 2 =7-4 =19-10 =14-10 =11 + 6 =19-16 =2 + 12 =7 + 11 =10 + 6 =2 + 4 =16 + 3 =3 + 12 =a19-3 =11 + 8 =17-5 =1+4 =18-3 =1 + 7 =19-4 =14 + 3 =3 + 16 =15-12 =4-3 =4+4 =18 1 =8-8 =15 + 2 =14 + 3 =5 + 3 =10 + 7 =17-3 =10 + 3 =16-0 =3 + 16 =12 + 7 =15-14 =14-2 =9 + 10 =15-12 =5-3 =2 + 13 =18-3 =18 + 0 =8-0

24、=1 0 =19-19 =6-1 =6 3 =11 1 =13-11 =1 + 4 =14-10 =14-13 =11 + 2 =16-2 =11 0 =13-10 =14-2 =16 + 2 =10 + 6 =14-3 =i4 + 3 =18-17 =15-12 =19-18 =19-18 =6 + 12 =10 + 2 =17-3 =13-10 =7-3 =2 + 10 =11 + 1 =6 + 2 =12-2 =17-6 =2 + 13 =13+4 =5 + 2 =1 + 12 =9 1 =2 + 1 =18 + 1 =12-12 =15-2 =19-10 =19-12 =1 + 14

25、=17-15 =2 + 3 =16-16 =2 + 11 =0 + 5 =1 + 2 =19-5 =11 + 4 =7 + 12 =4 1 =7-1 =19 1 =<1 + 4 =1 + 15 =19-18 =19-18 =3-0 =7-0 =7-1 =0 + 10 =11 + 0 =3 + 13 =5 + 12 =19-18 =15-10 =1 + 13 =11 + 8 =-12 + 3 =17-5 =0 + 18 =18-14 =8-7 =13 + 0 =2 + 2 =8 + 0 =3 + 6 =4 + 12 =6-1 =2 + 3 =17 + 2 =2 + 2 =17-1 =12-

26、11 =8 6 =17-1 =16-1 =17-6 = 5 + 2 =9-5 =5-0 =3-0 =11 + 5 =0 + 4 =9 + 10 =14-11 =8 + 0 =3 + 10 =11 + 7 =16-0 =5 + 3 =0 + 11 =1 + 8 =12-2 =15-1 =6 5 =19 4 =19-15 =9-8 =3 + 6 =18-5 =8 + 11 =5 + 3 =17 + 1 =14 + 2 =3+4 =14-12 =18-7 =4 + 13 =2 + 7 =15-1 =18-18 =3 + 16 =11-10 =2-2 =4 + 3 =16 6 =6 + 10 =17

27、+ 2 =8 + 1 =8-6 =/9 4 =10 + 3 =4 + 2 =1 + 15 =6 5 =1 + 12 =13-11 =17-15 =14 + 1 =17-16 =16-5 =18-10 =15-10 =1 + 18 =2-1 =10 + 5 =8-8 =5 + 3 =1 + 17 =16-15 =12-1 =10 + 3 =16 + 2 =3 + 11 =11-10 =1 + 7 =6 + 3 =2 + 12 =11-10 =1 + 12 =12 + 2 =16-11 =7-7 =5 + 12 =2 + 16 =7-3 =14 1 =11 + 2 =5-3 =<12 + 1

28、 =9-5 =16-3 =18-11 =10 + 7 =15-12 =1 + 16 =1 + 16 =5-5 =A10 + 6 =18-12 =7-7 =4 1 =12-1 =0 + 1 =7-0 =1 + 10 =15-5 =19-9 =17-4 =11 + 2 =44 =16 + 1 =6 2 =16-1 =16 + 3 =5-5 =7 + 11 =5 + 12 =13-2 =2 + 6 =8 4 =16 + 3 =1 + 13 =4 0 =7-2 =17-5 =8-3 =0 + 11 =9 + 0 =16 6 =16-0 =2 + 4 =13 + 3 =4 0 =16-12 =17-4

29、=0 + 16 =0 + 6 =19 + 0 =10 + 4 =8-2 =3 + 11 =2 + 6 =19-5 =2 + 11 =11 + 3 =10 + 10 =16-14 =9 4 =4 + 3 =5-4 =7-5 =一5-3 =17-3 =17-4 =14-2 =2 + 1 =15 + 3 =1+4 =19-17 =7 + 2 =15-4 =15-12 =14-12 =3 + 3 =5 + 1 =19-5 =18-16 =2 + 6 =18-8 =a8-5 =15 + 1 =7-3 =5-2 =16-13 =14 + 3 =14 + 1 =13-2 =3 + 14 =10 + 6 =3

30、 + 15 =13-2 =1 + 16 =14 + 2 =1 + 14 =3 + 14 =7-5 =a10-0 =15 + 1 =7-1 =5 + 10 =2 + 5 =11 + 6 =8-8 =11 + 7 =9-6 =10 + 6 =1 + 0 =7-1 =17 + 0 =19-2 =15-10 =8-2 =11 + 0 =5 + 2 =4 + 10 =2+4 =12 + 3 =15-14 =2 + 3 =1 + 16 =16-3 =18-10 =17-4 =15-4 =15 + 2 =16-14 =8 + 10 =15-10 =15-2 =3-3 =0 + 19 =15-2 =2 + 1

31、0 =5 + 14 =8 4 =15-4 =a2 + 10 =7 + 11 =7-3 =11-10 =14 + 2 =12 + 0 =4 + 3 =19-19 =4 + 15 =13-0 =A12-12 =5 + 10 =1 + 1 =19-3 =15-2 =9-2 =17-3 =8_6 =10 + 1 =18-5 =1 + 10 =19-18 =8-2 =2 + 2 =8-7 =11 + 1 =16 + 3 =4 + 10 =19 9 =3 + 0 =19-5 =12-1 =17-3 =3 + 1 =17-12 =17-16 =12-11 =3 + 10 =5-1 =9-3 =<19-

32、6 =2 + 10 =10 + 9 =17-2 =4 + 15 =3 + 2 =1 + 1 =17-14 =7 6 =16-5 =¥3 + 10 =13 + 6 =1 + 2 =6 2 =18-1 =0 + 11 =5 + 14 =0 + 7 =0 + 6 =-0 + 0 =18-13 =18 1 =19-16 =0 + 11 =1 + 17 =0 + 2 =13-10 =0 + 3 =1 + 15 =>10-10 =9-9 =3 + 12 =16-0 =0 + 0 =17-3 =19-6 =2 + 13 =1 + 10 =2 + 13 =12 + 7 =8-7 =7-4 =5 + 12 =9 + 0 =3 + 12 =0 + 11 =5 + 1 =18-11 =$1 + 4 =19-5 =2+4 =16 + 1 =6 + 11 =19-11 =10 + 9 =6 5 =1 + 7 =12-10 =7 + 2